Question: What itime of the day that has the minimum time index in a Day?
Paraphrase: What itime of the day that has the least time list in a Day
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q1260524 . ?ent wdt:P4895 ?obj . ?ent wdt:P31 wd:Q1260524} ORDER BY ASC(?obj)LIMIT 5 
Answer: 00:00, 00:00:00, 00:01, 00:00:01, 00:02